gdcmSwapper.h

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/*=========================================================================

  Program: GDCM (Grassroots DICOM). A DICOM library

  Copyright (c) 2006-2011 Mathieu Malaterre
  All rights reserved.
  See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef GDCMSWAPPER_H
#define GDCMSWAPPER_H

#include "gdcmSwapCode.h"

namespace gdcm
{


#ifdef GDCM_WORDS_BIGENDIAN
class SwapperDoOp
{
public:
  template <typename T> static T Swap(T val) {return val;}
  template <typename T> static void SwapArray(T *, unsigned int ) {}
};

class SwapperNoOp
{
public:
  template <typename T> static T Swap(T val);
  template <typename T>
  static void SwapArray(T *array, unsigned int n)
  {
    // TODO: need to unroll loop:
    for(unsigned int i = 0; i < n; ++i)
    {
      array[i] = Swap<T>(array[i]);
    }
  }
};
#else
class SwapperNoOp
{
public:
  template <typename T> static T Swap(T val) {return val;}
  template <typename T> static void SwapArray(T *, size_t ) {}
};

class SwapperDoOp
{
public:
  template <typename T> static T Swap(T val);
  template <typename T>
  static void SwapArray(T *array, size_t n)
  {
    // TODO: need to unroll loop:
    for(size_t i = 0; i < n; ++i)
    {
      array[i] = Swap<T>(array[i]);
    }
  }
};
#endif


} // end namespace gdcm

#include "gdcmSwapper.txx"

#endif //GDCMSWAPPER_H